Introduction to functions
=========================
An introduction to functions, 
including function parameters, namespaces, and scopes.
The keyword ``const`` is introduced and will be revisited over several
chapters.

The special characteristics of ``main`` and
command line argument handling are introduced.

.. toctree::
   :maxdepth: 2

   functions.rst
   parameter-passing.rst
   main.rst
   scope.rst
   namespace.rst
   constants.rst
   auto.rst
   error-handling.rst
   exception-handling.rst
   static-functions.rst